Messages in this thread | | | Subject | Re: [PATCH] usb: cdc_acm: Add quirk for Elatec TWN3 | From | Oliver Neukum <> | Date | Mon, 16 Oct 2017 13:26:18 +0200 |
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Am Mittwoch, den 11.10.2017, 11:10 +0300 schrieb Maksim Salau: > Elatec TWN3 has the union descriptor on data interface. This results in > failure to bind the device to the driver with the following log: > usb 1-1.2: new full speed USB device using streamplug-ehci and address 4 > usb 1-1.2: New USB device found, idVendor=09d8, idProduct=0320 > usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > usb 1-1.2: Product: RFID Device (COM) > usb 1-1.2: Manufacturer: OEM > cdc_acm 1-1.2:1.0: Zero length descriptor references > cdc_acm: probe of 1-1.2:1.0 failed with error -22 > > Adding the NO_UNION_NORMAL quirk for the device fixes the issue. > > Signed-off-by: Maksim Salau <msalau@iotecha.com> Acked-by: Oliver Neukum <oneukum@suse.com>
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